Loads of branching copper crystals in the spinel-law twin habit in branching dendrites are encased in white calcite and partially exposed. Could be further etched to expose delicate copper crystals. Rich, excellent specimen from the Canadian side of Lake Superior!
Be the first to know: latest additions, featured minerals, events, and exclusive updates await you.
Subscribe Now!
Website design by Melanie Lane.
Development and maintenance by Wenex Media Works.
